The orientation and strain dependence of dislocation structure evolution in monotonically deformed polycrystalline copper
The cross-correlation based HR-EBSD technique was used to derive stored geometrically
necessary dislocation (GND) density in the OFHC copper samples deformed under uniaxial …
necessary dislocation (GND) density in the OFHC copper samples deformed under uniaxial …
Evolution of dislocation density distributions in copper during tensile deformation
The evolution of dislocation storage in deformed copper was studied with cross-correlation-
based high-resolution electron backscatter diffraction. Maps of 500 μm× 500 μm areas with …
based high-resolution electron backscatter diffraction. Maps of 500 μm× 500 μm areas with …
Geometrically necessary dislocation density evolution as a function of microstructure and strain rate
The role of microstructure and strain rate on the development of geometrically necessary
dislocation (GND) density in polycrystalline copper subjected to compression is assessed …
dislocation (GND) density in polycrystalline copper subjected to compression is assessed …
Strain-induced grain evolution in polycrystalline copper during warm deformation
A Belyakov, W Gao, H Miura, T Sakai - Metallurgical and Materials …, 1998 - Springer
The evolution mechanisms of dislocation microstructures and new grains at high strains of
above 4 were studied by means of multiple compression of a polycrystalline copper (99.99 …
above 4 were studied by means of multiple compression of a polycrystalline copper (99.99 …
Accumulation of geometrically necessary dislocations near grain boundaries in deformed copper
Cross-correlation-based analysis of electron backscatter diffraction patterns has been used
to map the distribution of geometrically necessary dislocation (GND) density in deformed …
to map the distribution of geometrically necessary dislocation (GND) density in deformed …
Analytic model of dislocation density evolution in fcc polycrystals accounting for dislocation generation, storage, and dynamic recovery mechanisms
A Hunter, DL Preston - International Journal of Plasticity, 2022 - Elsevier
An analytic model of the evolution of dislocation density in fcc polycrystals is described. The
evolution equations approximately account for most known dislocation storage, dynamic …
evolution equations approximately account for most known dislocation storage, dynamic …
Geometrically necessary dislocations favor the Taylor uniform deformation mode in ultra-fine-grained polycrystals
The density of geometrically necessary dislocations (GND) obtained from the lattice
curvature was studied in commercially pure copper up to extreme large strains (von Mises …
curvature was studied in commercially pure copper up to extreme large strains (von Mises …
Dislocation cell formation during plastic deformation of copper single crystals
F Prinz, AS Argon - Physica status solidi (a), 1980 - Wiley Online Library
Tapered copper single crystals oriented for single slip are deformed plastically at room
temperature and at 77 K. TEM investigations at resolved shear stress levels of 20, 30, and …
temperature and at 77 K. TEM investigations at resolved shear stress levels of 20, 30, and …
Dislocation arrangement and residual long-range internal stresses in copper single crystals at large deformations
Copper single-crystals were wire drawn far into stage III and into the onset of stage IV. TEM
investigations revealed the well known dislocation cell structure. High resolution X-ray …
investigations revealed the well known dislocation cell structure. High resolution X-ray …
Dual role of deformation-induced geometrically necessary dislocations with respect to lattice plane misorientations and/or long-range internal stresses
H Mughrabi - Acta Materialia, 2006 - Elsevier
This work is part of a continuing effort to develop a unified picture of the role of geometrically
necessary dislocations (GNDs) in the evolution of the dislocation distribution of …
necessary dislocations (GNDs) in the evolution of the dislocation distribution of …